Majestyk

Guided by a multidisciplinary leadership team, Majestyk has become a trusted partner for global brands, growth-stage companies, and ambitious founders looking to build platforms that last.

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Leadership Team

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Sean O'Shea | President

Founder of Majestyk, Sean oversees engineering, development, creative, and product strategy teams. With more than 13 years of experience across startups and Fortune 500 companies, he is highly versed in building secure, intuitive, well-architected digital products. His leadership ensures each engagement is grounded in thoughtful design, technical excellence, and long-term maintainability.

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Mark Garcia | CCO

Mark leads Majestyk’s creative practice, shaping the visual language and user experience of products across entertainment, consumer goods, education, and emerging tech. His design leadership has contributed to numerous award-winning products and has been recognized by leading industry publications and organizations.

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Donald Coolidge | CEO

As co-founder and CEO, Donald guides Majestyk’s product direction, operational strategy, and long-term business alignment. His experience working with enterprise teams and driving integrated product strategy gives him a unique ability to bridge business goals with technical execution. He also brings a strong background in capital planning, financial strategy, and acquisition funnels.

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Industries Served

Majestyk’s work spans several industries where digital transformation, user experience, and technical scalability are mission-critical. Their depth in these verticals goes beyond surface-level expertise—the team has repeatedly helped clients reimagine products, expand digital ecosystems, and achieve long-term adoption.

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Technology / SaaS / Software / Digital Products

Majestyk frequently partners with SaaS companies and digital-first organizations to create mobile apps, web applications, and platform experiences that can scale efficiently. Their work often involves building modern architectures, integrating complex APIs, and designing products with long-term feature expansion in mind.

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Healthcare / Wellness / Health Tech

Within health tech, Majestyk focuses on simplifying complex workflows, improving patient or user engagement, and ensuring compliance with security and privacy standards. Their work often includes designing user-centric systems for learning, wellness tracking, and digital health management.

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Education & e-Learning / EdTech

Majestyk has deep experience modernizing fragmented learning environments into unified ecosystems—improving program discovery, navigation, and learner engagement. Their EdTech work often involves building scalable platforms powered by headless CMS frameworks, modular design systems, and intuitive learner journeys.

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Fashion & Retail

Majestyk’s design-driven approach has supported legacy and digital-native retail brands in creating elevated consumer experiences. Whether for brand engagement, community building, or commerce-driven applications, their work helps retail and lifestyle brands deepen customer interaction and unlock new digital touchpoints.

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Music / Entertainment / Media / Lifestyle / Arts & Culture

Majestyk has a notable footprint in entertainment and media, from high-scale streaming applications to interactive digital content platforms. Their long-term partnership with Audiomack highlights their ability to support extremely high-volume, global user bases with products that demand reliability, performance, and continuous innovation.

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Core Expertise

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Mobile App Design & Development

Expertise across native iOS, Android, and cross-platform technologies including React Native, Flutter, and Kotlin Multiplatform.

• Example: Majestyk built and scaled the Audiomack mobile platform into one of the most reliable music streaming apps in the world, serving over 45 million monthly active users.

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Product Strategy, UX/UI, and Human-Centered Design

Majestyk excels at turning complexity into clarity through research-driven UX, prototyping, and modular design systems.

• Example: The team helped Chegg Skills unify and modernize its digital learning ecosystem, improving program discovery, usability, and long-term scalability.

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Modern Web Architecture & Development

Specialization in React, Next.js, Node.js, and headless CMS systems to create fast, scalable, component-driven digital products.

• ‍Example: Majestyk’s rebuild of the Chegg Skills web platform enables the internal team to manage content more efficiently and deliver a seamless experience across devices.

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Typical Project Size

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Most projects range from $100,000 to $500,000+, with retainers typically between $20,000 and $75,000+ depending on scope, scale, and ongoing feature development.

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Notable Clients

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Sony

Sony engaged Majestyk to explore a completely new type of social mobile experience tailored to Gen-Z and Gen-Alpha creators. Majestyk transformed a loosely-defined concept into a structured vision, leading product strategy, UX/UI design, and design workshops that produced a validated direction for an experience centered on creativity, safety, and self-expression. Their work gave Sony the foundation needed to advance the product into future development phases.

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Audiomack

Majestyk has been Audiomack’s core mobile partner for more than 11 years—a rare level of continuity in the streaming space. The team helped build the platform from the ground up and continues to support the technical evolution of an app now serving over 45 million monthly users. Their expertise spans onboarding optimization, playback modernization, offline caching, and real-time performance monitoring. This partnership highlights Majestyk’s capacity to support high-volume platforms with ongoing product and engineering leadership.

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Chegg Skills

Chegg Skills partnered with Majestyk to overhaul its digital learning ecosystem and bring multiple disconnected experiences under one unified platform. The Majestyk team created a scalable architecture powered by a headless CMS, built reusable components, improved navigation, and established a consistent design system that supports rapid content deployment. Their work strengthened Chegg Skills’ ability to engage learners and expand programs without compromising clarity or usability.

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Read Case Study

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Check out more case studies and project highlights